Which of the Following Statements Is True Only of Bacteria

question 10

Multiple Choice

Which of the following statements is true only of bacteria outside the cyanobacteria?

• A)They are found in freshwater.
• B)They produce oxygen.
• C)They fix atmospheric nitrogen.
• D)They are considered chemoheterotrophs.
• E)They can be associated with fungi to form lichens.

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Definitions:

Standard Error

For a sampling distribution (the distribution of scores for a sample), the standard deviation is called the standard error.

Positive Skew

A distribution pattern in data where the tail on the right side of the histogram is longer or fatter than the left side, indicating that the majority of data points lie to the left of the mode.

Chi-square

A statistical test used to determine if there is a significant association between two categorical variables.

Independent Samples

Two or more groups of observations that are collected from populations which do not overlap, important in statistical testing for comparing means.